1<documentation title="Array Bracket Spacing"> 2 <standard> 3 <![CDATA[ 4 When referencing arrays you should not put whitespace around the opening bracket or before the closing bracket. 5 ]]> 6 </standard> 7 <code_comparison> 8 <code title="Valid: No spaces around the brackets."> 9 <![CDATA[ 10$foo<em></em>[<em></em>'bar'<em></em>]; 11]]> 12 </code> 13 <code title="Invalid: Spaces around the brackets."> 14 <![CDATA[ 15$foo<em> </em>[<em> </em>'bar'<em> </em>]; 16]]> 17 </code> 18 </code_comparison> 19</documentation> 20